Well they did it!
They built the new LGV Ligne à Grande Vitesse so that the TGV Train à Grande Vitesse could travel very fast à Grande Vitesse all the way from Paris to Bordeaux. Previously the train slowed down suddenly after Tours, à petite vitesse.
They announced the inauguration of the line for 1 July 2017 and the commencement of the service from 2 July, and they hit the date. We are now just two hours from Paris.
The advantages of this:
We can get to Paris and back for the day, or for a day conference, or for a weekend conference without it feeling like we spent all day getting there and back.
Rail travel is still expensive in France.
The Parisians all plan to move to Bordeaux, inflating house prices, making the town centre very crowded and forcing us all to walk very quickly with our heads down, hissing and sighing.